21.

Comet C/2009 G1 (STEREO) passes perihelion Comet C/2009 G1 (STEREO) makes its closest approach to the Sun. Sat, 18 Apr 2009 (5,537 days ago) in Aquarius

22.

Comet 67P/Churyumov-Gerasimenko passes perihelion Comet 67P/Churyumov-Gerasimenko makes its closest approach to the Sun. Mon, 22 Dec 2008 (5,654 days ago) in Pisces

23.

Comet 15P/Finlay passes perihelion Comet 15P/Finlay makes its closest approach to the Sun. Mon, 19 May 2008 (5,871 days ago) in Aries

24.

Comet 26P/Grigg-Skjellerup passes perihelion Comet 26P/Grigg-Skjellerup makes its closest approach to the Sun. Tue, 08 Apr 2008 (5,912 days ago) in Sagittarius

25.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Sun, 27 Jan 2008 (5,984 days ago) in Pisces

26.

Comet 8P/Tuttle passes perihelion Comet 8P/Tuttle makes its closest approach to the Sun. Sun, 13 Jan 2008 (5,998 days ago) in Reticulum

27.

Comet 8P/Tuttle passes perigee Comet 8P/Tuttle makes its closest approach to the Earth. Sun, 23 Dec 2007 (6,019 days ago) in Orion

28.

Comet 8P/Tuttle reaches peak brightness Comet 8P/Tuttle is forecast to reach the brightest point in its 2007 apparition. Sun, 23 Dec 2007 (6,019 days ago) in Orion

29.

Comet 2P/Encke passes perigee Comet 2P/Encke makes its closest approach to the Earth. Fri, 04 May 2007 (6,252 days ago) in Cetus

30.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Sat, 14 Apr 2007 (6,272 days ago) in Aries

31.

Comet 96P/Machholz passes perihelion Comet 96P/Machholz makes its closest approach to the Sun. Tue, 03 Apr 2007 (6,283 days ago) in Pisces

32.

Comet 177P/Barnard passes perihelion Comet 177P/Barnard makes its closest approach to the Sun. Mon, 04 Sep 2006 (6,494 days ago) in Hercules

33.

Comet 73P/Schwassmann-Wachmann passes perihelion Comet 73P/Schwassmann-Wachmann makes its closest approach to the Sun. Fri, 26 May 2006 (6,595 days ago) in Aquarius

34.

Comet 71P/Clark passes perihelion Comet 71P/Clark makes its closest approach to the Sun. Thu, 27 Apr 2006 (6,624 days ago) in Capricornus

35.

Comet 45P/Honda-Mrkos-Pajdusakova passes perihelion Comet 45P/Honda-Mrkos-Pajdusakova makes its closest approach to the Sun. Sat, 15 Apr 2006 (6,636 days ago) in Aries

36.

Comet 21P/Giacobini-Zinner passes perihelion Comet 21P/Giacobini-Zinner makes its closest approach to the Sun. Tue, 23 Aug 2005 (6,871 days ago) in Taurus

37.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Fri, 03 Dec 2004 (7,134 days ago) in Capricornus

38.

Comet 78P/Gehrels passes perihelion Comet 78P/Gehrels makes its closest approach to the Sun. Wed, 27 Oct 2004 (7,171 days ago) in Aries

39.

Comet 104P/Kowal passes perihelion Comet 104P/Kowal makes its closest approach to the Sun. Fri, 15 Oct 2004 (7,183 days ago) in Cancer

40.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Tue, 20 Apr 2004 (7,361 days ago) in Aquarius